您现在的位置是:首页 > 学科知识查询 > 小学数学题库

怎样简便怎样算. 56×725×6 25×314×23 (37+12)×14 58×58+58×38 100×299 514×725×58×23.

编辑:chaxungu时间:2026-04-27 14:17:57分类:小学数学题库

怎样简便怎样算.
5
6
×
7
25
×6
2
5
×
3
14
×
2
3
3
7
+
1
2
)×14
5
8
×
5
8
+
5
8
×
3
8
100×
2
99
5
14
×
7
25
×
5
8
×
2
3

(1)
5
6
×
7
25
×6,
=
5
6
×6×
7
25

=5×
7
25

=
7
5


(2)
2
5
×
3
14
×
2
3

=
2
5
×(
3
14
×
2
3
),
=
2
5
×
1
7

=
2
35


(3)(
3
7
+
1
2
)×14,
=
3
7
×14+
1
2
×14,
=6+7,
=13;

(4)
5
8
×
5
8
+
5
8
×
3
8

=
5
8
×(
5
8
+
3
8
),
=
5
8
×1,
=
5
8


(5)100×
2
99

=(99+1)×
2
99

=99×
2
99
+1×
2
99

=2+
2
99

=2
2
99


(6)
5
14
×
7
25
×
5
8
×
2
3

=(
5
14
×
7
25
)×(
5
8
×
2
3
),
=
1
10
×
5
12

=
1
24